So I am having issues with the temperature units I need to multiply a specific heat value [BTU/lbm*F] by a constant that modifies to the actual Cp value. I keep getting a error? I think it has to do with the units im inputting what can i do to fix this? also I would like to know if its possible to have the output of my units to be automatically changed between English to SI or SI to English as well?

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Hello,

Be careful with temperature units. You have the temperature units and the temperature difference units.

Units temperature

Regards,
Radovan

Thank you Radovan,

That helped a lot I had no idea smath supported a
temperature difference.